168 lines
4.3 KiB
ArmAsm
168 lines
4.3 KiB
ArmAsm
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#################################################################
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# #
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# Copyright 2007, 2010 Fidelity Information Services, Inc #
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# #
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# This source code contains the intellectual property #
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# of its copyright holder(s), and is made available #
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# under a license. If you do not know the terms of #
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# the license, please stop and do not read further. #
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# #
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#################################################################
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# PAGE ,132
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.title op_mprofextexfun.s
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# .386
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# .MODEL FLAT, C
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.include "g_msf.si"
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.include "linkage.si"
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.sbttl op_mprofextexfun
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# PAGE +
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# call op_mprofextexfun with the following stack:
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#
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# return PC
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# routine
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# label
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# ret_value address
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# mask
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# actualcnt
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# actual1 address
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# actual2 address
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# ...
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.DATA
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.extern ERR_FMLLSTMISSING
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.extern ERR_GTMCHECK
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.extern ERR_LABELUNKNOWN
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.extern dollar_truth
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.extern frame_pointer
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.text
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.extern auto_zlink
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.extern new_stack_frame_sp
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.extern push_parm
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.extern rts_error
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Grp5_Prefix = 0x0ff # escape for CALL_Ev opcode
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CALL_Ev = 0x010 # CALL_Ev part of ModR/M byte
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reg_opcode_mask = 0x038
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ISFORMAL = 0x488 # xf_isformal*8
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arg0_off = -56
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act_cnt = -48
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mask_arg = -44
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ret_val = -40
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label_arg = -32
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routine = -24
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sav_ebx = -8
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sav_msf = -16
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# PUBLIC op_mprofextexfun
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ENTRY op_mprofextexfun
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putframe
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addq $8,REG_SP # burn return PC
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pushq REG_XFER_TABLE
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enter $64,$0
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movq REG64_ARG0,routine(REG_FRAME_POINTER)
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movq REG64_ARG1,label_arg(REG_FRAME_POINTER)
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movq REG64_ARG2,ret_val(REG_FRAME_POINTER)
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movl REG32_ARG3,mask_arg(REG_FRAME_POINTER)
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movl REG32_ARG4,act_cnt(REG_FRAME_POINTER)
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movq REG64_ARG5,arg0_off(REG_FRAME_POINTER)
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cmpq $0,REG64_ARG0
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je l3
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cmpq $0,REG64_ARG1
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je l5
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l1: movq 0(REG64_ARG1),REG64_ACCUM
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cmpq $0,REG64_ACCUM
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je l5
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movq mrt_ptext_adr(REG64_ARG0),REG_XFER_TABLE
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movslq 0(REG64_ACCUM),REG64_ARG2
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addq REG_XFER_TABLE,REG64_ARG2
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movq mrt_lnk_ptr(REG64_ARG0),REG64_ARG1
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cmpb $Grp5_Prefix,0(REG64_ARG2)
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jne l6
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movb 1(REG64_ARG2),REG8_ARG3
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andb $reg_opcode_mask,REG8_ARG3
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cmpb $CALL_Ev,REG8_ARG3
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jne l6
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cmpl $ISFORMAL,2(REG64_ARG2)
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jne l6
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call new_stack_frame_sp
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movq frame_pointer(REG_IP),REG64_ARG2
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movq msf_old_frame_off(REG64_ARG2),REG64_ACCUM
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movq REG64_ACCUM,frame_pointer(REG_IP)
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movq REG64_ARG2,sav_msf(REG_FRAME_POINTER)
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movl act_cnt(REG_FRAME_POINTER),REG32_ACCUM
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cmpl $0,REG32_ACCUM
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je no_arg
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cmpl $1,REG32_ACCUM
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je arg_1
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cltq
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leaq (REG_FRAME_POINTER,REG64_ACCUM,8),REG64_SCRATCH1
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again: pushq (REG64_SCRATCH1)
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subq $8,REG64_SCRATCH1
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subl $1,REG32_ACCUM
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cmpl $1,REG32_ACCUM
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jg again
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arg_1: movq arg0_off(REG_FRAME_POINTER),REG64_ARG5
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no_arg: movl act_cnt(REG_FRAME_POINTER),REG32_ARG4
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movl mask_arg(REG_FRAME_POINTER),REG32_ARG3
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movq ret_val(REG_FRAME_POINTER),REG64_ARG2
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movl dollar_truth(REG_IP),REG32_ARG1
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andl $1,REG32_ARG1
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movl act_cnt(REG_FRAME_POINTER),REG32_ARG0
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addl $4,REG32_ARG0 # include: $T(just pushed) plus other 3
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movb $0, REG8_ACCUM # variable length argument
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call push_parm # push_parm (total_cnt,$T, ret_value, mask, argc [,arg1, arg2, ...]);
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movq sav_msf(REG_FRAME_POINTER),REG64_ACCUM
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movq REG64_ACCUM,frame_pointer(REG_IP)
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orw $SFT_EXTFUN,msf_typ_off(REG64_ACCUM)
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retlab: leave
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popq REG_XFER_TABLE
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getframe
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ret
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l3: cmpq $0,REG64_ARG1
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jne l5
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subq $8,REG_SP
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movq REG_SP,REG64_ACCUM
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movq REG64_ACCUM,REG64_ARG1
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movq frame_pointer(REG_IP),REG64_ARG2
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movq msf_mpc_off(REG64_ARG2),REG64_ARG0
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call auto_zlink
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cmpq $0,REG64_RET0
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je l4
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movq REG64_RET0,REG64_ARG0
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popq REG64_ARG1
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cmpq $0,REG64_ARG1
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jne l1
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l4: movl ERR_GTMCHECK(REG_IP),REG32_ARG1
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movl $1,REG32_ARG0
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movb $0, REG8_ACCUM # variable length argument
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call rts_error
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jmp retlab
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l5: movl ERR_LABELUNKNOWN(REG_IP),REG32_ARG1
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movl $1,REG32_ARG0
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movb $0, REG8_ACCUM # variable length argument
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call rts_error
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jmp retlab
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l6: movl ERR_FMLLSTMISSING(REG_IP),REG32_ARG1
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movl $1,REG32_ARG0
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movb $0, REG8_ACCUM # variable length argument
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call rts_error
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jmp retlab
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# op_mprofextexfun ENDP
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# END
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